From: David Herrmann <dh.herrmann@gmail.com>
Date: Wed, 9 Sep 2015 12:21:29 +0000 (+0200)
Subject: drm: simplify drm_sysfs_destroy() via IS_ERR_OR_NULL()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=26b91ae4732be89228d207c76827071c6aecc4d8;p=linux-beck.git

drm: simplify drm_sysfs_destroy() via IS_ERR_OR_NULL()

Simplify `foo == NULL || IS_ERR(foo)` via IS_ERR_OR_NULL(). This is
pretty commonly used all over the kernel, especially for debugfs/sysfs
cleanup paths.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 0f6cd33b531f..3f66cb07848e 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -156,7 +156,7 @@ err_out:
  */
 void drm_sysfs_destroy(void)
 {
-	if ((drm_class == NULL) || (IS_ERR(drm_class)))
+	if (IS_ERR_OR_NULL(drm_class))
 		return;
 	class_remove_file(drm_class, &class_attr_version.attr);
 	class_destroy(drm_class);